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AL2251W LCD Monitor User's Guide EN - Page 1
... ON LCD MONITORS 3
BEFORE YOU OPERATE THE MONITOR 3 FEATURES 3 PACKING LIST 3 INSTALLATION INSTRUCTIONS 4 CONTROLS AND CONNECTORS 5 ADJUSTING THE VIEWING ANGLE 6
OPERATING INSTRUCTIONS 7 GENERAL INSTRUCTIONS 7 HOW TO ADJUST A SETTING 9 ADJUSTING THE PICTURE 10-11 PLUG AND PLAY 12
TECHNICAL SUPPORT(FAQ 13-14 ERROR MESSAGE & POSSIBLE SOLUTION ------- 15
APPENDIX 16 SPECIFICATIONS 16...
AL2251W LCD Monitor User's Guide EN - Page 2
... in a residential installation. If this manual thoroughly. The changes or modifications not expressly approved by one or more of the user to operate the equipment.
2. WARNING:
To prevent fire or shock hazard, do not expose the monitor to provide reasonable protection against harmful interference in a particular installation. Do not open the cabinet. Refer servicing to radio...
AL2251W LCD Monitor User's Guide EN - Page 3
... not be easily accessible. z The wall socket shall be installed near water, e.g. z Slots and openings in a wet basement. This plug will protect the monitor from the type of the monitor and to service the monitor by the manufacturer and follow the kit instructions. z For use the monitor near the equipment and shall be used for ventilation. If...
AL2251W LCD Monitor User's Guide EN - Page 4
... with LCD monitor and do not indicate a problem.
Power Cord 4. SPECIAL NOTES ON LCD MONITORS
The following items:
1. Owner's Manual 3. NOTES
• Due to the nature of the LCD screen, an afterimage of the fluorescent light, the screen may find slightly uneven brightness on the screen depending on the
desktop pattern you use . DVI Cable (only Dual-Input Model...
AL2251W LCD Monitor User's Guide EN - Page 5
... Users' Manual included with the wall mounting bracket;(This product is sold separately. Place four screws into your LCD monitor. a
b
c
4 The AC-power cord may be used . The relevant national installation and/or equipment regulations shall be used . A certified power supply cord not lighter than ordinary polyvinyl chloride flexible cord according to LCD monitor's DCpower-input. Attach...
AL2251W LCD Monitor User's Guide EN - Page 7
... fingers or hands when you
change the angle.
6
Figure 2 NOTES
• Do not touch the LCD screen when you change the angle. ADJUSTING THE VIEWING ANGLE • For optimal viewing it is required ....
• Hold the stand so you do not topple the monitor when you change the
monitor's angle. • You can adjust the angle of the monitor from -5° to 15°, but please notice that
the...
AL2251W LCD Monitor User's Guide EN - Page 8
... video cable from the monitor to the video card. • Press the power button to turn on or off.
The power indicator
will light up. Figure 3 External Control Button
EXTERNAL CONTROLS
1. >/ Volume 2. The other control buttons are located at front panel of the monitor (See Figure 3). OPERATING INSTRUCTIONS
GENERAL INSTRUCTIONS
Press the power button...
AL2251W LCD Monitor User's Guide EN - Page 9
...OSD menu).
2. NOTES
• Do not install the monitor in a location near heat sources such as ...radiators or air ducts, or in a place subject to direct sunlight, or excessive dust or mechanical vibration or shock.
• Save the original shipping carton and packing materials, as they will come in active status, this button for 2 seconds to set...
AL2251W LCD Monitor User's Guide EN - Page 10
.... 2.
I. HOW TO ADJUST A SETTING
1. Analog-OnlyModel
II. Press the MENU-button to select the function that you want to adjust. 4. Press < or > to change the settings of the current function. 5. Press the MENU-button to adjust any other
function, repeat steps 2-4. To exit and save, select the exit function. Dual-Input Model, Analog Signal...
AL2251W LCD Monitor User's Guide EN - Page 11
... in Analog mode only). N/A Cool
Set the color temperature to warm white.
Position
mode only).
Clock
Adjusts picture Clock (available in Analog H.
User/Blue
10
Adjust picture Focus (available in Analog mode only).
III. User /Red
User/Green Adjusts Red/Green/Blue intensity. Dual-Input Model, Digital Signal Input
ADJUSTING THE PICTURE
The descriptions for...
AL2251W LCD Monitor User's Guide EN - Page 13
.... It allows the monitor to an OFF mode. The host can request EDID information over the DDC2B channel. This monitor meets the Power Management standards as set consisting of DDC used...grounding type attachment plug, rated 10A, 250V, CEE-22 male configuration.
IN ORDER FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL. The appearance is similar to the VESA DDC...
AL2251W LCD Monitor User's Guide EN - Page 14
TECHNICAL SUPPORT (FAQ)
Problem & Question
Possible Solution
Power LED is not on the
keyboard while observing the CAPS
LOCK LED. picture.
*...*Make sure computer is present in
but there's no video or no
the ON position. Missing one of the primary *Inspect the monitor's video cable and
colors (RED, GREEN, or
make
sure none of Video
Cable is bent
Picture is ON (orange) *Computer ...
AL2251W LCD Monitor User's Guide EN - Page 16
Check that the signal-cable is properly connected, If the connector is
loose, tighten the connector's screws. 2. INPUT NOT SUPPORT : Your computer has been set to unsuitable display mode, set the computer to display mode given in the following table (See page 18).
15 Check the signal -cable connection pins for damage. ERROR MESSAGE & POSSIBLE SOLUTION CABLE NOT CONNECTED : 1.
AL2251W LCD Monitor User's Guide EN - Page 17
APPENDIX
SPECIFICATIONS
Driving system TFT Color LCD
LCD Panel
Size
55.87cm(22")
Pixel pitch
0.282mm( H )x 0.282mm( V )
Brightness
300cd/m2 (Typical)
Contrast
800:1(Typical)
Viewable angle 160° (H) 160° (V)
Response time 5ms
Video
R,G,B Analog Interface
Digital interface(Only Dual-Input
Input
Model) H-Frequency 31KHz - 80KHz
V-Frequency 56-75Hz
Display Colors
16.2M ...
AL2251W LCD Monitor User's Guide EN - Page 20
Red Green Blue Monitor Ground DDC-return R-Ground G-Ground B-Ground
9. 10. 11.
12. 13. 14. 15.
(Dual-Input Model)
DESCRIPTION
+5V Logic Ground MonitorGround
DDC-Serial Data H-Sync V-Sync DDC-... Analogue Vertical Sync 9. TMDS Data1+ 11. TMDS Data3- TMDS Data110.
TMDS Data5+
22. Pin Color Display Signal Cable
DESCRIPTION
PIN NO. TMDS Data3+
14. +5V Power
15.
TMDS Data2+
3.
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